Twilight Forever

"Carlisle! What were you thinking?" A soft voice scolded someone named "Carlisle".
"She's pretty," an angelic, perky voice said this time.
"Bella and Renesmee weren't enough?" Someone snapped, it was a female.
"Carlisle was just thinking of the patient," another female voice. This one was a lot softer.
"What would happen if he did this to all his patients?" The same male voice as before snapped.
"C'mon guys, it's no problem, really. She's just like us, just need to get past the newborn stage." Another, but different, female voice disagreed.
"She's going to be special, I can tell. She survived an...